Mark R Strang DMD 714 N Bethlehem Pike Lower Gwynedd Township, Pennsylvania, 19002 Phone: 215-646-9443 Company Name: Mark Strang DMD Dentist Category: General-Family Dentistry Profile Let this business know you found them on Main Line Today's Online Directories. Locations Lower Gwynedd Township 714 N Bethlehem Pike Lower Gwynedd Township, Pennsylvania 19002 Claim/Edit Listing